+---------------------------------+-------------+-------------+-------------+-------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |        Diff |
+---------------------------------+-------------+-------------+-------------+-------------+
| imix-4t2c-eth-l2xcbase-testpmd  | 11.6 +- 0.8 | 11.8 +- 0.7 | 12.2 +- 0.7 | +3.0 +- 8.7 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +- 0.0 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.9 +- 0.0 |  3.9 +- 0.0 |  3.9 +- 0.0 | +0.1 +- 0.5 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 37.3 +- 0.0 | 37.3 +- 0.0 | 37.3 +- 0.0 | -0.0 +- 0.0 |
| 64b-4t2c-eth-l2xcbase-testpmd   | 14.0 +- 0.2 | 14.1 +- 0.2 | 14.1 +- 0.2 | -0.1 +- 2.3 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 16.4 +- 0.0 | 16.3 +- 0.0 | 14.9 +- 0.0 | -8.9 +- 0.1 |
+---------------------------------+-------------+-------------+-------------+-------------+

20.08, 20.11, 21.02 - DPDK versions tested.
Diff - difference between 20.11 and 21.02 DPDK version.